At dawn on Wednesday, “hazardous” pollutant levels in parts of the sprawling urban area of more than 30 million people topped ...

Delhi woke up to smog-laden air on Thursday, with residents grappling with an Air Quality Index (AQI) classified as 'severe.' ...

Air pollution in India's national capital increased to 'severe' on an official index on Wednesday for the first time this ...

Every year, as the seasons change, a familiar pattern emerges in Hanoi. The air grows thick with fine dust, and with it, an ...